/* ==========================================================================
   PanoVR（杭州智确科技）— 企业官网样式
   主题：蓝白科技风（主色 #0080FF） | 响应式 | 无第三方依赖
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --blue-700: #0066cc;
  --blue-600: #0080ff;
  --blue-500: #3399ff;
  --blue-100: #dce9ff;
  --cyan: #00c6ff;
  --navy-900: #071830;
  --navy-800: #0a1f3d;
  --ink: #10294d;
  --muted: #5b7397;
  --bg: #ffffff;
  --bg-soft: #f3f7ff;
  --line: #e3ecfa;
  --radius-l: 20px;
  --radius-m: 14px;
  --radius-s: 8px;
  --shadow-sm: 0 4px 14px rgba(0, 128, 255, 0.08);
  --shadow-md: 0 12px 34px rgba(0, 128, 255, 0.12);
  --shadow-lg: 0 24px 60px rgba(7, 24, 48, 0.18);
  --maxw: 1200px;
}

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 通用文本 ---------- */
.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: 3px; font-weight: 600;
  color: var(--blue-600); background: var(--blue-100); padding: 5px 14px;
  border-radius: 999px; margin-bottom: 14px;
}
.section-head h2 { font-size: 34px; line-height: 1.3; color: var(--navy-800); }
.section-head p { color: var(--muted); margin-top: 12px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: 999px; font-weight: 600; font-size: 15px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff; box-shadow: 0 8px 24px rgba(0, 128, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(0, 128, 255, 0.45); }
.btn-ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.55); color: #fff; background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-2px); }
.btn-outline {
  border: 1.5px solid var(--blue-600); color: var(--blue-600); background: #fff;
}
.btn-outline:hover { background: var(--blue-100); transform: translateY(-2px); }

/* ==========================================================================
   页头（各页面复用同一份 HTML）
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: var(--navy-800); }
.logo-mark { width: 38px; height: 38px; flex: none; }
.logo small { display: block; font-size: 10px; font-weight: 500; letter-spacing: 2px; color: var(--muted); }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  padding: 9px 16px; border-radius: 999px; font-size: 15px; color: var(--ink); font-weight: 500;
  transition: background 0.2s, color 0.2s;
}
.main-nav a:hover { background: var(--bg-soft); color: var(--blue-600); }
.main-nav a.active { background: var(--blue-100); color: var(--blue-600); font-weight: 600; }
.header-cta { margin-left: 12px; padding: 10px 22px; font-size: 16px; color: #fff; letter-spacing: 0.3px; font-variant-numeric: tabular-nums; }

/* 移动端菜单按钮 */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 10px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--navy-800); border-radius: 2px; transition: transform 0.25s, opacity 0.25s; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   首页 Hero
   ========================================================================== */
.hero {
  position: relative; overflow: hidden; color: var(--ink);
  /* 浅色兜底：全景 iframe 加载前的过渡底色 */
  background: linear-gradient(160deg, #f2f8ff 0%, #e2efff 55%, #d7eaff 100%);
}
/* 720° 全景动态背景（只作背景，不响应鼠标/触摸交互） */
.hero-pano { position: absolute; inset: 0; z-index: 0; background: #dcecff; }
.hero-pano iframe { width: 100%; height: 100%; border: 0; display: block; pointer-events: none; }
/* 遮罩层：左侧加强、右侧渐透——文字区清晰，右侧全景仍透出来 */
.hero-veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(100deg,
      rgba(255, 255, 255, 0.72) 0%,
      rgba(255, 255, 255, 0.62) 34%,
      rgba(255, 255, 255, 0.44) 62%,
      rgba(255, 255, 255, 0.28) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0) 42%);
}
/* 网格纹理：横幅全透明后停用，避免在全景上叠一层网格 */
.hero::before {
  display: none;
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.35; z-index: 1;
  background-image:
    linear-gradient(rgba(0, 128, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 128, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, #000 40%, transparent 100%);
}
.hero-inner {
  position: relative; z-index: 2; display: grid; grid-template-columns: 1fr;
  gap: 0; align-items: center; padding: 88px 0 34px; min-height: 520px;
  /* 背景全景不响应鼠标/触摸，文案层仅按钮可点击 */
  pointer-events: none;
}
.hero-copy { position: relative; max-width: 640px; }
.hero-copy .hero-actions a { pointer-events: auto; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px;
  border: 1px solid rgba(0, 128, 255, 0.28); background: rgba(255, 255, 255, 0.85);
  padding: 6px 16px; border-radius: 999px; color: var(--blue-600); margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue-600); box-shadow: 0 0 10px rgba(0,128,255,0.6); }
.hero h1 { font-size: 46px; line-height: 1.25; letter-spacing: 0.5px; color: var(--navy-900); }
.hero h1 em { font-style: normal; color: var(--blue-600); }
.hero .lead { margin: 20px 0 34px; font-size: 17px; color: var(--ink); max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn-ghost {
  border: 1.5px solid rgba(0, 102, 204, 0.45); color: var(--blue-700); background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(4px);
}
.hero .btn-ghost:hover { background: #fff; transform: translateY(-2px); }

/* 右侧悬浮数据卡：竖排靠右 */
.hero-float {
  position: absolute; right: 0; top: 48%; transform: translateY(-50%);
  display: flex; flex-direction: column; align-items: flex-end; gap: 28px; z-index: 3;
}
.float-card {
  position: static; background: #fff; color: var(--ink);
  border-radius: var(--radius-m); padding: 16px 22px; box-shadow: var(--shadow-md);
  font-size: 13px; line-height: 1.5; min-width: 176px; text-align: right;
  border: 1px solid rgba(0, 128, 255, 0.10);
  animation: floaty 5s ease-in-out infinite;
}
.float-card b { display: block; font-size: 21px; color: var(--blue-600); margin-bottom: 2px; }
/* 两张卡错落排布：不同缩进与宽度，水平不倾斜 */
.float-card:nth-child(1) { margin-right: -4px; min-width: 192px; }
.float-card:nth-child(2) { margin-right: 64px; min-width: 172px; animation-delay: -2.5s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-11px); }
}

/* 数据统计条（浅色卡片底） */
.hero-stats {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  padding: 26px 32px; margin-bottom: 46px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 18px;
  box-shadow: 0 10px 32px rgba(7, 24, 48, 0.06);
  backdrop-filter: blur(14px) saturate(1.05);
  -webkit-backdrop-filter: blur(14px) saturate(1.05);
  text-align: center;
}
.hero-stats > div { text-align: center; }
.hero-stats .num { font-size: 32px; font-weight: 700; color: var(--navy-800); }
.hero-stats .num i { font-style: normal; color: var(--blue-600); }
.hero-stats .lbl { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* ---------- 客户/行业条 ---------- */
.industry-strip { border-bottom: 1px solid var(--line); background: #fff; }
.industry-strip ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 34px; padding: 22px 0; }
.industry-strip li { font-size: 14px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.industry-strip li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue-500); opacity: 0.6; }

/* ==========================================================================
   服务卡片（8 项业务）
   ========================================================================== */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.svc-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 30px 26px; transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s;
  display: flex; flex-direction: column; gap: 12px;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.svc-icon {
  width: 52px; height: 52px; border-radius: 14px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--blue-100), #eaf3ff); color: var(--blue-600);
}
.svc-icon svg { width: 26px; height: 26px; }
.svc-card h3 { font-size: 17px; color: var(--navy-800); }
.svc-card p { font-size: 14px; color: var(--muted); flex: 1; }
.svc-card .more { font-size: 14px; font-weight: 600; color: var(--blue-600); display: inline-flex; align-items: center; gap: 5px; }
.svc-card .more::after { content: "→"; transition: transform 0.2s; }
.svc-card:hover .more::after { transform: translateX(4px); }

/* ==========================================================================
   优势区块（图文左右）
   ========================================================================== */
.feature-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
  padding: 40px 0;
}
.feature-row img { border-radius: var(--radius-l); box-shadow: var(--shadow-md); aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.feature-row.rev .f-media { order: 2; }
.feature-row h3 { font-size: 26px; color: var(--navy-800); margin-bottom: 14px; }
.feature-row p { color: var(--muted); margin-bottom: 18px; }
.check-list li { display: flex; gap: 10px; padding: 7px 0; font-size: 15px; color: var(--ink); }
.check-list li::before {
  content: "✓"; flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--blue-100); color: var(--blue-600); font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; margin-top: 3px;
}

/* ==========================================================================
   案例卡片
   ========================================================================== */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  background: #fff; border-radius: var(--radius-l); overflow: hidden;
  border: 1px solid var(--line); transition: transform 0.25s, box-shadow 0.25s;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.case-thumb { position: relative; overflow: hidden; }
.case-thumb img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; transition: transform 0.5s ease; }
.case-card:hover .case-thumb img { transform: scale(1.05); }
.case-tag {
  position: absolute; left: 14px; top: 14px; background: rgba(0, 128, 255, 0.92); color: #fff;
  font-size: 12px; padding: 4px 12px; border-radius: 999px; letter-spacing: 1px;
}
.case-body { padding: 22px 24px 24px; }
.case-body h3 { font-size: 17px; color: var(--navy-800); margin-bottom: 8px; }
.case-body p { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.case-metrics { display: flex; gap: 8px; flex-wrap: wrap; }
.case-metrics span {
  font-size: 12px; color: var(--blue-600); background: var(--blue-100);
  padding: 4px 10px; border-radius: 6px; font-weight: 600;
}

/* 案例筛选 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.filter-bar button {
  padding: 9px 20px; border-radius: 999px; border: 1px solid var(--line); background: #fff;
  font-size: 14px; color: var(--muted); transition: all 0.2s;
}
.filter-bar button:hover { border-color: var(--blue-500); color: var(--blue-600); }
.filter-bar button.active { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }
.case-card.hide { display: none; }

/* ==========================================================================
   服务流程
   ========================================================================== */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.step {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m);
  padding: 26px 20px 22px; text-align: center;
}
.step::before {
  counter-increment: step; content: "0" counter(step);
  display: block; font-size: 26px; font-weight: 800; color: var(--blue-100);
  -webkit-text-stroke: 1px var(--blue-500); margin-bottom: 8px;
}
.step h4 { font-size: 16px; color: var(--navy-800); margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--muted); }

/* ==========================================================================
   服务详情页（交替图文）
   ========================================================================== */
.page-banner {
  background:
    radial-gradient(800px 300px at 85% 0%, rgba(0, 198, 255, 0.16), transparent 60%),
    linear-gradient(150deg, #f2f8ff 0%, #e4f0ff 55%, #d9ebff 100%);
  color: var(--navy-800); padding: 72px 0 64px;
  border-bottom: 1px solid var(--line);
}
.page-banner h1 { font-size: 36px; margin-top: 10px; color: var(--navy-900); }
.page-banner p { color: var(--muted); margin-top: 12px; max-width: 640px; }
.page-banner .crumb { font-size: 13px; color: #6f8cb8; }
.page-banner .crumb a:hover { color: var(--blue-600); }

.svc-detail { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center; padding: 44px 0; }
.svc-detail.rev .sd-media { order: 2; }
.svc-detail .sd-media img { border-radius: var(--radius-l); box-shadow: var(--shadow-md); aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.svc-detail .sd-icon {
  width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff; display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.svc-detail .sd-icon svg { width: 24px; height: 24px; }
.svc-detail h2 { font-size: 25px; color: var(--navy-800); margin-bottom: 12px; }
.svc-detail > div > p { color: var(--muted); margin-bottom: 16px; }
.deliver-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.deliver-chips span {
  font-size: 13px; padding: 6px 14px; border-radius: 999px;
  background: var(--bg-soft); border: 1px solid var(--line); color: var(--blue-600); font-weight: 500;
}

/* 合作模式 */
.mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mode-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 34px 30px;
  transition: transform 0.25s, box-shadow 0.25s; position: relative;
}
.mode-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.mode-card h3 { font-size: 19px; color: var(--navy-800); margin: 14px 0 10px; }
.mode-card p { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.mode-card .suit { font-size: 13px; color: var(--blue-600); background: var(--blue-100); border-radius: 8px; padding: 8px 12px; }

/* ==========================================================================
   关于我们
   ========================================================================== */
.about-lead { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 52px; align-items: center; }
.about-lead img { border-radius: var(--radius-l); box-shadow: var(--shadow-md); aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.about-lead h2 { font-size: 30px; color: var(--navy-800); margin-bottom: 16px; }
.about-lead p { color: var(--muted); margin-bottom: 14px; }

/* 里程碑 */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--blue-500), var(--blue-100)); }
.tl-item { position: relative; padding: 0 0 30px 26px; }
.tl-item::before {
  content: ""; position: absolute; left: -26px; top: 8px; width: 14px; height: 14px;
  border-radius: 50%; background: #fff; border: 3px solid var(--blue-600);
}
.tl-item .year { font-size: 15px; font-weight: 700; color: var(--blue-600); }
.tl-item h4 { font-size: 17px; color: var(--navy-800); margin: 4px 0 6px; }
.tl-item p { font-size: 14px; color: var(--muted); max-width: 640px; }

/* 荣誉/资质 */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.honor-item {
  border: 1px dashed var(--line); border-radius: var(--radius-m); padding: 26px 20px; text-align: center;
  background: #fff; transition: border-color 0.2s, transform 0.2s;
}
.honor-item:hover { border-color: var(--blue-500); transform: translateY(-4px); }
.honor-item .ico { font-size: 30px; margin-bottom: 10px; }
.honor-item h4 { font-size: 15px; color: var(--navy-800); }
.honor-item p { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ==========================================================================
   联系我们
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: start; }
/* 联系卡片（单列居中布局） */
.contact-cards { display: grid; gap: 16px; }
.contact-cards.solo { max-width: 760px; margin: 0 auto; }
.contact-cards.trio { grid-template-columns: repeat(3, 1fr); }
#contact { scroll-margin-top: 86px; }
.contact-card {
  display: flex; gap: 16px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-m); padding: 22px 24px; transition: box-shadow 0.2s;
}
.contact-card:hover { box-shadow: var(--shadow-sm); }
.contact-card .ico {
  width: 46px; height: 46px; flex: none; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-100), #eaf3ff); color: var(--blue-600);
  display: flex; align-items: center; justify-content: center;
}
.contact-card .ico svg { width: 22px; height: 22px; }
.contact-card h4 { font-size: 15px; color: var(--navy-800); }
.contact-card p { font-size: 14px; color: var(--muted); margin-top: 2px; }
.contact-card small { display: block; font-size: 12px; color: #93a9c9; margin-top: 4px; }

/* 表单 */
.contact-form-wrap {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 34px; box-shadow: var(--shadow-sm);
}
.contact-form-wrap h3 { font-size: 21px; color: var(--navy-800); margin-bottom: 6px; }
.contact-form-wrap .tip { font-size: 13px; color: var(--muted); margin-bottom: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13px; font-weight: 600; color: var(--ink); }
.form-field label i { color: #e5484d; font-style: normal; margin-left: 2px; }
.form-field input, .form-field select, .form-field textarea {
  border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px; font: inherit; font-size: 14px;
  color: var(--ink); background: var(--bg-soft); outline: none; transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--blue-500); background: #fff; box-shadow: 0 0 0 4px rgba(0, 128, 255, 0.1);
}
.form-field.err input, .form-field.err textarea, .form-field.err select { border-color: #e5484d; }
.form-field .err-msg { display: none; font-size: 12px; color: #e5484d; }
.form-field.err .err-msg { display: block; }
.form-submit { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; }
.form-submit button { flex: none; }
.form-note { font-size: 12px; color: #93a9c9; }
.form-success {
  display: none; grid-column: 1 / -1; background: #ecfdf3; border: 1px solid #abefc6;
  color: #067647; border-radius: 10px; padding: 14px 16px; font-size: 14px;
}
.form-success.show { display: block; }

/* 地图占位 */
.map-box {
  margin-top: 40px; border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--line);
  background:
    linear-gradient(rgba(0, 128, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 128, 255, 0.05) 1px, transparent 1px),
    var(--bg-soft);
  background-size: 40px 40px, 40px 40px, auto;
  height: 320px; display: flex; align-items: center; justify-content: center;
  position: relative;
}
.map-pin { text-align: center; color: var(--muted); font-size: 14px; }
.map-pin .pin-ico {
  width: 52px; height: 52px; margin: 0 auto 12px; border-radius: 50% 50% 50% 0;
  background: var(--blue-600); transform: rotate(-45deg); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(0, 128, 255, 0.4);
}
.map-pin .pin-ico svg { width: 24px; height: 24px; transform: rotate(45deg); color: #fff; }

/* ==========================================================================
   CTA 横幅
   ========================================================================== */
.cta-band { position: relative; overflow: hidden; border-radius: var(--radius-l); color: #fff; padding: 56px 48px;
  background:
    radial-gradient(600px 240px at 88% 10%, rgba(0, 198, 255, 0.35), transparent 60%),
    linear-gradient(120deg, var(--navy-900), #0b3a86);
}
.cta-band h2 { font-size: 28px; margin-bottom: 10px; }
.cta-band p { color: #b7cef2; margin-bottom: 26px; }
.cta-band .btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer { background: var(--navy-900); color: #a9c0e2; margin-top: 0; }
.footer-main {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 44px;
}
.footer-main h4 { color: #fff; font-size: 15px; margin-bottom: 16px; letter-spacing: 1px; }
.footer-main .f-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 18px; margin-bottom: 14px; }
.footer-main .f-desc { font-size: 13.5px; line-height: 1.8; max-width: 300px; }
.footer-main ul li { margin-bottom: 10px; font-size: 14px; }
.footer-main ul a:hover { color: #fff; }
.footer-main .f-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-main .f-contact svg { width: 16px; height: 16px; flex: none; margin-top: 5px; color: var(--cyan); }
.footer-main .f-contact .f-tel { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 12px; }
.footer-main .f-contact .f-tel a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid rgba(140, 175, 220, 0.15); padding: 20px 0;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12.5px; color: #6f8cb8;
}

/* ==========================================================================
   动效
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .float-card { animation: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .mode-grid { grid-template-columns: 1fr; }
  .hero-inner { padding-top: 64px; min-height: auto; }
  .hero h1 { font-size: 38px; }
  .hero-copy { max-width: 100%; }
  .hero-float { display: none; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .contact-grid, .about-lead, .feature-row, .svc-detail { grid-template-columns: 1fr; gap: 32px; }
  .feature-row.rev .f-media, .svc-detail.rev .sd-media { order: 0; }
}

@media (max-width: 720px) {
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 26px; }
  .hero h1 { font-size: 30px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); padding: 20px 18px; margin-bottom: 32px; gap: 16px; }
  .hero-stats .num { font-size: 26px; }
  .contact-cards.trio { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  /* 移动端：全景只作静态背景（禁触摸拖动，避免与页面滚动冲突），遮罩保持较强保可读 */
  .hero-pano iframe { pointer-events: none; }
  .hero-veil { background: linear-gradient(180deg, rgba(255,255,255,0.68) 0%, rgba(255,255,255,0.52) 60%, rgba(255,255,255,0.34) 100%); }
  .hero-inner { padding: 44px 0 30px; }
  .hero-float { display: none; }
  .svc-grid, .case-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  /* 移动端导航 */
  .nav-toggle { display: flex; }
  .main-nav {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; padding: 12px 20px 20px; gap: 4px;
    box-shadow: var(--shadow-md);
  }
  .nav-open .main-nav { display: flex; }
  .main-nav a { padding: 13px 16px; }
  .header-cta { margin: 8px 0 0; justify-content: center; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 26px; }
  .contact-form-wrap { padding: 24px 20px; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; }
}

/* ==========================================================================
   新闻资讯页
   ========================================================================== */
.page-banner .news-cats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.page-banner .news-cats a,
.page-banner .news-cats span {
  display: inline-block; padding: 7px 16px; border-radius: 999px;
  font-size: 13px; color: var(--blue-700); background: rgba(255,255,255,0.72);
  border: 1px solid rgba(0,128,255,0.18); transition: all .18s;
}
.page-banner .news-cats a:hover,
.page-banner .news-cats span.on { background: var(--blue-600); color: #fff; border-color: var(--blue-600); }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-m); overflow: hidden; transition: transform .22s, box-shadow .22s;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.news-thumb { position: relative; aspect-ratio: 16 / 10; background: linear-gradient(135deg, #dbeafe, #eef6ff); overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-thumb .ph {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 34px; font-weight: 700; color: #9dc2ee; letter-spacing: 2px;
}
.news-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-body h3 { font-size: 17px; line-height: 1.45; color: var(--navy-800); }
.news-body p { font-size: 14px; line-height: 1.7; color: var(--muted); flex: 1; }
.news-body p.clamp { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: #93a9c9; }
.news-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: .6; }
.news-more { font-size: 14px; color: var(--blue-600); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.news-more::after { content: "→"; transition: transform .18s; }
.news-card:hover .news-more::after { transform: translateX(4px); }
.news-empty {
  padding: 64px 24px; text-align: center; color: var(--muted);
  background: #fff; border: 1px dashed var(--line); border-radius: var(--radius-m);
}
.news-empty strong { display: block; font-size: 16px; color: var(--navy-800); margin-bottom: 6px; }
